<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    const arr = [1,2,3,4,5]
    const updata = [2,4]
    arr.slice().forEach((item,index)=>{
      console.log(item,index);
      if(updata.includes(item)){
        arr.splice(index,1)
      }
    })
    console.log(arr);
    
  </script>
</body>
</html>